Home / 730,790.02-1,007,989.83-476,485.66

Finding the Fourth Proportional to 730,790.02, 1,007,989.83 and 476,485.66

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Solution

The fourth proportional to 730,790.02, 1,007,989.83 and 476,485.66 is: 657,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,790.02 : 1,007,989.83 = 476,485.66 : x
  2. Step 2: Convert to fraction form
    730,790.02/1,007,989.83 = 476,485.66/x
  3. Step 3: Cross multiply
    730,790.02x = 1,007,989.83 × 476,485.66
  4. Step 4: Simplify right side
    730,790.02x = 480,292,699,420.84
  5. Step 5: Solve for x
    x = 480,292,699,420.84/730,790.02
  6. Step 6: Final answer
    x = 657,223.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.